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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Fatigue and Fracture IV: Toward Confident Use in Critical Applications
Sponsorship TMS Structural Materials Division
TMS: Additive Manufacturing Committee
TMS: Mechanical Behavior of Materials Committee
Organizer(s) Nik Hrabe, National Institute of Standards and Technology
Steve Daniewicz, University of Alabama
Nima Shamsaei, Auburn University
John J. Lewandowski, Case Western Reserve University
Mohsen Seifi, ASTM International/Case Western Reserve University
Scope The current understanding of fatigue and fracture behavior of additive manufacturing metals is limited and must be expanded before widespread use in fatigue and fracture critical applications can be fully realized. It is the purpose of this symposium to move toward that expanded understanding by providing a forum to present research results from investigations into fatigue and fracture behavior of additive manufacturing of metals.

The symposium will be organized into six sessions:
• Microstructure-based Fatigue Studies on Additive-Manufactured Materials (Jointly organized with Fatigue in Materials Symposium)
• Development of New Fatigue and Fracture Test Methods (e.g. small-scale testing)
• Environmental Effects on Fatigue and Fracture
• Development of Predictive Design Tools (e.g. fatigue lifing techniques, critical flaw size measurements)
• Role of Non-Destructive Evaluation (NDE) Techniques
• Quantitative Processing-Structure-Properties-Performance Investigations (more detail below)

To further specify the scope of the processing-structure-property-performance investigations, processing includes machine settings (e.g. layer thickness), melt parameters (e.g. energy density), post-processing (e.g. heat treatment, surface treatment), and feedstock variables (e.g. flowability, spreadability, particle size distribution) that can directly impact fatigue and fracture performance of parts. Structure includes crystallographic microstructure (e.g. texture), internal defects (e.g. pores, inclusions), external defects (e.g. surface roughness), residual stress, and chemistry. Properties include all fatigue and fracture properties (e.g. high-cycle fatigue, low-cycle fatigue, linear elastic fracture toughness (KIc), elastic-plastic fracture toughness (J-int), fatigue crack growth rate, and impact toughness (Charpy)). Performance includes any end-product testing.

Abstracts Due 07/15/2019
Proceedings Plan Planned: Supplemental Proceedings volume

A-10: Microstructure, Mechanical Properties, and Fatigue Damage Mechanisms in Laser Powder Bed Al-10Si-0.4Mg Alloys
A-4: Effect of Post Heat-treatment on the Microstructure, Tensile and Fatigue Properties of AlSi10Mg Alloy Manufactured by Selective Laser Melting
A-6: Fatigue Life Prediction of Additive Manufactured IN718 Superalloys
A-9: Microstructure, High-temperature Tensile and Fatigue Properties of IN625 Manufactured by Selective Laser Melting
A Fatigue Life Approach for Additively Manufactured Structures
A Zone-based, Probabilistic Damage Tolerance Framework for AM Components
Additive Manufacturing-enhanced Durability Prediction Supported by a Machine-learning Based Material Model
Additive Manufacturing of Bulk Refractory High Entropy Alloys with Tailored Mechanical Properties
Additive Manufacturing of Fatigue Resistant Austenitic Stainless Steel
An Investigation into Property-performance Relationships in Additive Manufacturing
Coupling Damage Models to Multiscale Modeling of the Selective Laser Melting Process for Metals
Cyclic Material Behavior of Additively Manufactured Inconel 718 Produced Under Different Oxygen Concentrations
Deriving the Structural Fatigue Behavior of Additive Manufactured Components
Effect of Build Orientation and Post Machining on AM 316L Part Failure
Effect of Laser Shock Peening Processing Parameters on the Microstructure, Residual Stress, and Fatigue Behavior of Additive Manufactured CoCrMo Alloy
Effects of Internal Porosity and Crystallographic Texture on Fatigue Crack Growth Rate of Electron Beam Melted (EBM) Titanium Alloy (Ti-6Al-4V)
Expedited Optimization of AM Materials Using Miniaturized Testing
Fatigue and Fracture Analysis of Additive Manufactured Metals for Critical Applications
Fatigue and Interfacial Fracture Behavior of Cold Spray Deposited Material for Additive Repair
Fatigue Behavior and Failure Mechanisms of Laser Beam Directed Energy Deposited Inconel 718
Fatigue Behavior of Additive Manufactured Ni and Ti Alloys Through Coupled Modeling and In-situ Experiments
Fatigue Crack Growth Behavior of DED Type 304L Stainless Steel
Fatigue Crack Growth Mechanisms and Design-qualification Considerations in Ti-6Al-4V Alloys Fabricated by Three Powder-based Additive Manufacturing Technologies
Fatigue Crack Growth Properties of Selective Laser Melting Produced Nickel and Titanium Based Alloys
Fatigue Properties of Additively Manufactured Ti-6Al-4V-ELI Material Hot Isostatically Pressed at Temperatures Above the Material’s Beta Transus Temperature
Flaw Identification in Additively Manufactured Components: Capabilities and Limitations
Fracture and Fatigue Behavior of Laser Powder Bed Fusion of AlSi10Mg Using a Common Process Specification
High Strain Rate Fracture Properties of Additively Manufactured (AM) Stainless Steel
Implementing Processing and Post-processing Strategies to Control Microstructure, Defect Content and Mechanical Properties of Electron Beam Melted Ti-6Al-4V
Improvement of Fatigue Strength in Lightweight Selective Laser Melted Alloys By In-situ and Ex-situ Composition and Heat Treatment
Improving Fatigue Life by Decreasing Roughness of Additively Manufactured Parts
Linking Porosity Characteristics to the Mechanical Properties of Additive Manufactured AlSi10Mg and 316 Stainless Steel
Maximizing the Fatigue Lifetime by Choosing the Best Build Orientation
Mechanical Behavior of Induced Lack of Fusion Flaws in AlSi10Mg
Micromechanical Modeling Driven Design of Fatigue Resistant Metal Additive Manufacturing Solutions
Microscale Analysis of the Synergistic Effects of Notch and Post-processed Microstructures in AM Ti-6Al-4V
Microstructure-based Fatigue Performance Analysis and Prediction of Additively Manufactured 316L Stainless Steel Subjected to Different Heat Treatments
Microstructure-oriented Studies of Fatigue Damage in Additive Manufacturing Using Combined Enhanced Measurement Techniques
Microstructure Design for Optimizing Mechanical Performance of Additive Manufactured Metallic Alloys
On the Effect of the Applied Stress-ratio on the Fatigue Properties of Ti6Al4V Specimens Produced by Laser Powder Bed Fusion
Optimization of Additively Manufactured Low Carbon Steels for Fatigue-critical Applications
Performance of Recycled Metal Machine Chips and Strips Through Solid Phase Additive Manufacturing
Predicting the Integrity of Additively Manufactured Nickel Alloys: Quantifying the Evolution of Texture and Elastic Constants Using Resonant Ultrasound Spectroscopy
Prediction of Fatigue Life of Flight-critical Metallic Components Fabricated by Additive Manufacturing
Prediction of Mechanical Properties of Additively Manufactured Ti6Al4V Based on the Microstructure and Porosity Distribution
Processing and Performance: Oxide Formation in AlSi10Mg and IN718 Builds
Relating Additive Manufacturing Processing Conditions to Surface Roughness, Porosity and Microstructure Influencing Fatigue Life
Static and Dynamic Mechanical Properties of Selective Laser Melted Ti-6Al-4V Solid Material Printed with Optimized Argon Flow
Structural Integrity of Fe- and Ni-base Alloys Processed by Additive Manufacturing – On The Impact of Microstructure
Surface Morphology, Stress Concentrations, Micromechanical Modeling and Fatigue Life in 3D Printed Metals
Surface Roughness and Layer Orientation Effects on Fatigue Behavior of LB-PBF Inconel 718 in the High Cycle and Very High Cycle Fatigue Regimes
Tailoring the Microstructures of AM Metals for Enhanced Fracture Toughness and Fatigue Resistance
The Impact of Multi-laser Stitching on the High Cycle Fatigue Performance of Metal Alloys Printed Using LPBF
The Role of Surface Condition in High-cycle Fatigue Behavior in Laser Powder Bed Fusion Materials
Fracture and Fatigue Issues for (Metal) Additive Manufacturing
“Lessons Learned” for Structural Alloys and Implications for Metal AM Fatigue and Damage Tolerance Considerations

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